Method RelativeError

Lib/test/test_math.py:1543–1546

(res, ex)

            return DotExample(x, y, DotExact(x, y), Condition(x, y))

        def RelativeError(res, ex):
            x, y, target_sumprod, condition = ex
            n = DotExact(list(x) + [-res], list(y) + [1])
            return fabs(n / target_sumprod)

        def Trial(dotfunc, c, n):
            ex = GenDot(10, c)